SIC 4481 — Deep Sea Transportation of Passengers, Except by Ferry
Description & Classification
SIC code 4481 representing 'Deep Sea Transportation of Passengers, Except by Ferry' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 483114 - Coastal and Great Lakes Passenger Transportation (via SIC1987:4481→NAICS1997:483114→2002:483114→2007:483114→2012:483114→2017:483114→2022:483114)
- NAICS 483112 - Deep Sea Passenger Transportation (via SIC1987:4481→NAICS1997:483112→2002:483112→2007:483112→2012:483112→2017:483112→2022:483112)
Classification Details
| SIC Code | 4481 |
|---|---|
| Industry Title | Deep Sea Transportation of Passengers, Except by Ferry |
| Division | Division E: Transportation, Communications, Electric, Gas, and Sanitary Services |
| Major Group | Major Group 44: Water Transportation |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 4481:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 44 Hub — View other legacy industries in this business division.
Related Industries in Major Group 44
Frequently Asked Questions (FAQ)
What industry does SIC code 4481 represent?
SIC 4481 is 'Deep Sea Transportation of Passengers, Except by Ferry', a 4-digit Standard Industrial Classification (SIC) code under Major Group 44: Water Transportation (Division E: Transportation, Communications, Electric, Gas, and Sanitary Services); it maps to modern 2022 NAICS code(s): 483114 (Coastal and Great Lakes Passenger Transportation), 483112 (Deep Sea Passenger Transportation).
What is the modern 2022 NAICS mapping for SIC 4481?
SIC code 4481 maps to modern NAICS codes: 483114 - Coastal and Great Lakes Passenger Transportation, 483112 - Deep Sea Passenger Transportation.